feat(web): cache dashboard aggregations with version invalidation

reaction_board/services/discovery.py

@@ -106,6 +106,8 @@ class DiscoveryService:
                     self._handle_item(item, channel, cfg, summary, pending, now)
 
         self._notify(pending, summary, now)
+        if summary.candidates or summary.notified:
+            self.repo.bump_cache_version("videos")
         summary.finished_at = self._now()
         self._log(
             "info" if not summary.errors else "warning",

reaction_board/services/favorites.py

@@ -176,6 +176,7 @@ class FavoriteActionService:
                 aid=aid, folder_id=folder.media_id, position=position,
                 already=already,
             )
+            self.repo.bump_cache_version("videos")
             return ActionResult(
                 ok=True, aid=aid, action="favorite", state="done",
                 position=position, already_in_folder=already,
@@ -201,6 +202,7 @@ class FavoriteActionService:
                 message="候选不存在或已处理",
             )
         self.repo.mark_candidate_decision(aid, "rejected", now=self._now())
+        self.repo.bump_cache_version("videos")
         return ActionResult(
             ok=True, aid=aid, action="ignore", state="rejected",
             message="已忽略",
@@ -228,6 +230,7 @@ class FavoriteActionService:
         )
         rejected = self.repo.reject_pending_for_up(up_mid, now=self._now())
         self.repo.mark_candidate_decision(aid, "rejected", now=self._now())
+        self.repo.bump_cache_version("videos")
         return ActionResult(
             ok=True, aid=aid, action="blacklist", state="rejected",
             message=f"已拉黑 UP，并忽略该 UP 的 {rejected} 条待决策候选",

reaction_board/services/folder_sync.py

@@ -200,6 +200,8 @@ class FolderSyncService:
             errors=len(summary.errors),
             elapsed=max(0, summary.finished_at - summary.started_at),
         )
+        if summary.added or summary.removed or summary.refreshed:
+            self.repo.bump_cache_version("videos")
         return summary
 
     def _sync_folder(

reaction_board/services/snapshot.py

@@ -284,6 +284,11 @@ class SnapshotService:
 
         self._run_backup(cfg, stat_date, summary)
 
+        if summary.success or summary.removed or summary.failed:
+            self.repo.bump_cache_version("videos")
+        if summary.fans_ok or summary.fans_failed:
+            self.repo.bump_cache_version("fans")
+
         summary.finished_at = self._now()
         self._log(
             "info" if summary.completed else "warning",